Home / 853,765.86-1,178,197.29-471,792.63

Finding the Fourth Proportional to 853,765.86, 1,178,197.29 and 471,792.63

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Solution

The fourth proportional to 853,765.86, 1,178,197.29 and 471,792.63 is: 651,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,765.86 : 1,178,197.29 = 471,792.63 : x
  2. Step 2: Convert to fraction form
    853,765.86/1,178,197.29 = 471,792.63/x
  3. Step 3: Cross multiply
    853,765.86x = 1,178,197.29 × 471,792.63
  4. Step 4: Simplify right side
    853,765.86x = 555,864,798,107.97
  5. Step 5: Solve for x
    x = 555,864,798,107.97/853,765.86
  6. Step 6: Final answer
    x = 651,074.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.